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MT48H8M32LF fiches techniques PDF

Micron Technology - Mobile Low-Power SDR SDRAM

Numéro de référence MT48H8M32LF
Description Mobile Low-Power SDR SDRAM
Fabricant Micron Technology 
Logo Micron Technology 





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MT48H8M32LF fiche technique
256Mb: 16 Meg x 16, 8 Meg x 32 Mobile SDRAM
Features
Mobile Low-Power SDR SDRAM
MT48H16M16LF – 4 Meg x 16 x 4 banks
MT48H8M32LF – 2 Meg x 32 x 4 banks
Features
• VDD/VDDQ = 1.7–1.95V
• Fully synchronous; all signals registered on positive
edge of system clock
• Internal, pipelined operation; column address can
be changed every clock cycle
• Four internal banks for concurrent operation
• Programmable burst lengths: 1, 2, 4, 8, and continu-
ous
• Auto precharge, includes concurrent auto precharge
• Auto refresh and self refresh modes
• LVTTL-compatible inputs and outputs
• On-chip temperature sensor to control self refresh
rate
• Partial-array self refresh (PASR)
• Deep power-down (DPD)
• Selectable output drive strength (DS)
• 64ms refresh period
Options
• VDD/VDDQ: 1.8V/1.8V
• Addressing
– Standard addressing option
• Configuration
– 16 Meg x 16 (4 Meg x 16 x 4 banks)
– 8 Meg x 32 (2 Meg x 32 x 4 banks)
• Plastic “green” packages
– 54-ball VFBGA (8mm x 9mm)1
– 90-ball VFBGA (8mm x 13mm)2
• Timing – cycle time
– 6ns @ CL = 3
– 7.5ns @ CL = 3
• Operating temperature range
– Commercial (0˚C to +70˚C)
– Industrial (–40˚C to +85˚C)
• Revision
Marking
H
LF
16M16
8M32
BF
B5
-6
-75
None
IT
:H
Notes: 1. Available only for x16 configuration.
2. Available only for x32 configuration.
Table 1: Configuration Addressing
Architecture
Number of banks
Bank address balls
Row address balls
Column address balls
16 Meg x 16
4
BA0, BA1
A[12:0]
A[8:0]
8 Meg x 32
4
BA0, BA1
A[11:0]
A[8:0]
Table 2: Key Timing Parameters
Speed
Grade
-6
-75
Clock Rate (MHz)
CL = 2 CL = 3
104 166
104 133
Access Time
CL = 2 CL = 3
8.0ns
5.0ns
8.0ns
5.4ns
Note: 1. CL = CAS (READ) latency
PDF: 09005aef834c13d2
256mb_mobile_sdram_y36n.pdf - Rev. J 09/10 EN
1 Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2008 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.

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